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A normal sperm analysis report is reassuring, and usually does not need to be repeated. If the semen analysis is normal, most doctors will not even need to examine the man, since this is then super uous. However, remember that just because the sperm count and motility are in the normal range, this does not necessarily mean that the man is fertile. Even if the sperm display normal motility, this does not always mean that they are capable of working and fertilising the egg. The only foolproof way of proving whether the sperm work is by doing IVF .

Poor sperm tests can result from incorrect semen collection technique, if the sample is not collected properly, or if the container is dirty too long a time delay between providing the sample and its testing in the laboratory too short an interval since the previous ejaculation recent systemic illness in the last 3 months (even a u or a fever can temporarily depress sperm counts).

If the sperm test is abnormal, this will need to be repeated 3-4 times over a period of 3-6 months to con rm whether the abnormality is persistent or not . Don't jump to a conclusion based on just one report - remember that sperm counts do tend to vary on their own ! It takes six weeks for the testes to produce new sperm - which is why you need to wait before repeating the test. It also makes sense to repeat it from another laboratory to ensure that the report is valid.